7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd

General

Target

7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe
Size

56KB
MD5

4ef5ae918ae8c834ff1a6184641b7175
SHA1

d67a7dfd36888b72f9bbe809d25ba71dafd1dcf0
SHA256

7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd
SHA512

4bf1ae283239bbe5fff2b142183a67557539fd715f3a0811c990476bb1d791f2cb11ddd2d4d8815ed143174d96b823eb00d9ff4b913e6f52777c5e099f35a769
SSDEEP

1536:CrApDBtBZaB7is3P/whQS0Vy95AFsPqIC1hDB58A1j:frtBZahis386xF3FlB5

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2420	urdvxc.exe
3900	urdvxc.exe
1648	urdvxc.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\urdvxc.exe	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe
File opened for modification	C:\Windows\SysWOW64\urdvxc.exe	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe

Modifies registry class 16 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "nrsnhnxskttqsltr"	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F225CE9F-1819-5068-309E-E7A0E5F47E22}\ = "zrvjrwnknvezlljl"	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F225CE9F-1819-5068-309E-E7A0E5F47E22}\LocalServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe"	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe"	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe"	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F225CE9F-1819-5068-309E-E7A0E5F47E22}	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "lbsbtjtnnznhrhtw"	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{F225CE9F-1819-5068-309E-E7A0E5F47E22}\LocalServer32	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\ = "jbqhkwkjshwqqbzv"	urdvxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32\ = "C:\\Windows\\SysWOW64\\urdvxc.exe"	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}\LocalServer32	urdvxc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{66E9A00C-64D1-4956-05AE-619DF5D22A84}	urdvxc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2420	urdvxc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4496 wrote to memory of 2420	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	83
PID 4496 wrote to memory of 2420	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	83
PID 4496 wrote to memory of 2420	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	83
PID 4496 wrote to memory of 3900	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	84
PID 4496 wrote to memory of 3900	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	84
PID 4496 wrote to memory of 3900	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	84
PID 4496 wrote to memory of 1648	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	85
PID 4496 wrote to memory of 1648	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	85
PID 4496 wrote to memory of 1648	4496	7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe	85

C:\Users\Admin\AppData\Local\Temp\7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe
"C:\Users\Admin\AppData\Local\Temp\7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe"
1⤵
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4496
- C:\Windows\SysWOW64\urdvxc.exe
  C:\Windows\system32\urdvxc.exe /installservice
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:2420
- C:\Windows\SysWOW64\urdvxc.exe
  C:\Windows\system32\urdvxc.exe /start
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  PID:3900
- C:\Windows\SysWOW64\urdvxc.exe
  C:\Windows\system32\urdvxc.exe /uninstallservice patch:C:\Users\Admin\AppData\Local\Temp\7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd.exe
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  PID:1648

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\SysWOW64\urdvxc.exe

Filesize
56KB

MD5
4ef5ae918ae8c834ff1a6184641b7175

SHA1
d67a7dfd36888b72f9bbe809d25ba71dafd1dcf0

SHA256
7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd

SHA512
4bf1ae283239bbe5fff2b142183a67557539fd715f3a0811c990476bb1d791f2cb11ddd2d4d8815ed143174d96b823eb00d9ff4b913e6f52777c5e099f35a769

Download Submit
C:\Windows\SysWOW64\urdvxc.exe

Filesize
56KB

MD5
4ef5ae918ae8c834ff1a6184641b7175

SHA1
d67a7dfd36888b72f9bbe809d25ba71dafd1dcf0

SHA256
7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd

SHA512
4bf1ae283239bbe5fff2b142183a67557539fd715f3a0811c990476bb1d791f2cb11ddd2d4d8815ed143174d96b823eb00d9ff4b913e6f52777c5e099f35a769

Download Submit
C:\Windows\SysWOW64\urdvxc.exe

Filesize
56KB

MD5
4ef5ae918ae8c834ff1a6184641b7175

SHA1
d67a7dfd36888b72f9bbe809d25ba71dafd1dcf0

SHA256
7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd

SHA512
4bf1ae283239bbe5fff2b142183a67557539fd715f3a0811c990476bb1d791f2cb11ddd2d4d8815ed143174d96b823eb00d9ff4b913e6f52777c5e099f35a769

Download Submit
C:\Windows\SysWOW64\urdvxc.exe

Filesize
56KB

MD5
4ef5ae918ae8c834ff1a6184641b7175

SHA1
d67a7dfd36888b72f9bbe809d25ba71dafd1dcf0

SHA256
7a39838b0ec2d5c236e21fd9982d6b67fc82bfed2b7d886ab20005bf40c207cd

SHA512
4bf1ae283239bbe5fff2b142183a67557539fd715f3a0811c990476bb1d791f2cb11ddd2d4d8815ed143174d96b823eb00d9ff4b913e6f52777c5e099f35a769

Download Submit
memory/1648-139-0x0000000000000000-mapping.dmp

Download
memory/1648-142-0x00000000001C0000-0x00000000001DF000-memory.dmp

Filesize
124KB

Download
memory/2420-133-0x0000000000000000-mapping.dmp

Download
memory/2420-138-0x00000000001E0000-0x00000000001FF000-memory.dmp

Filesize
124KB

Download
memory/2420-143-0x00000000001E0000-0x00000000001FF000-memory.dmp

Filesize
124KB

Download
memory/3900-136-0x0000000000000000-mapping.dmp

Download
memory/3900-141-0x00000000001C0000-0x00000000001DF000-memory.dmp

Filesize
124KB

Download
memory/4496-132-0x00000000001E0000-0x00000000001FF000-memory.dmp

Filesize
124KB

Download

Analysis

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